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Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.8 P.1343~1350

http://doi.org/10.1631/jzus.2006.A1343


Simulation study on fluctuant flow stress scale effect


Author(s):  SHEN Yu, YU Hu-ping, RUAN Xue-yu

Affiliation(s):  National Die and Mold CAD Engineering Research Center, Shanghai Jiao Tong University, Shanghai 200030, China

Corresponding email(s):   shenyu@sjtu.edu.cn

Key Words:  Microforming, Scale effect, Numerical simulation, Fluctuation


SHEN Yu, YU Hu-ping, RUAN Xue-yu. Simulation study on fluctuant flow stress scale effect[J]. Journal of Zhejiang University Science A, 2006, 7(8): 1343~1350.

@article{title="Simulation study on fluctuant flow stress scale effect",
author="SHEN Yu, YU Hu-ping, RUAN Xue-yu",
journal="Journal of Zhejiang University Science A",
volume="7",
number="8",
pages="1343~1350",
year="2006",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2006.A1343"
}

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%T Simulation study on fluctuant flow stress scale effect
%A SHEN Yu
%A YU Hu-ping
%A RUAN Xue-yu
%J Journal of Zhejiang University SCIENCE A
%V 7
%N 8
%P 1343~1350
%@ 1673-565X
%D 2006
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2006.A1343

TY - JOUR
T1 - Simulation study on fluctuant flow stress scale effect
A1 - SHEN Yu
A1 - YU Hu-ping
A1 - RUAN Xue-yu
J0 - Journal of Zhejiang University Science A
VL - 7
IS - 8
SP - 1343
EP - 1350
%@ 1673-565X
Y1 - 2006
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2006.A1343


Abstract: 
Crystal plasticity theory was used to simulate upsetting tests of different dimensions and grain size micro copper cylinders in this study on the fluctuant flow stress scale effect. Results showed that with the decrease of billet grain quantity, flow stress fluctuation is not always increased, but there is a maximum. Through this study, the fluctuant flow stress scale effect can be understood deeper, and relevant necessary information was obtained for further prediction and control of this scale effect and to design the microforming process and die.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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[12] Tiesler, N., Engel, U., 2000. Microforming—Effects of Miniaturization. Metal Forming 2000. Balkema, Rotterdam, p.355-360.

[13] Tiesler, N., Engel, U., Geiger, M., 2002. Basic Research on Cold Forming of Microparts. Advanced Technology of Plasticity. Proceedings of the 7th ICTP. Yokohama, Japan, p.379-384.

[14] Wang, Z.Q., Duan, Z.P., 1995. Meso-Plasticity Mechanics. Science Publishing House, Beijing, p.263-305 (in Chinese).

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